72725960

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{13879}}^1$

素因数の和:14021

約数の個数: 32

約数和(自身を含む): 164894400

約数和(自身を除く): 92168440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 13879, 27758, 55516, 69395, 111032, 138790, 277580, 555160, 1818149, 3636298, 7272596, 9090745, 14545192, 18181490, 36362980, 72725960]

約数ペア:

[(1, 72725960), (2, 36362980), (4, 18181490), (5, 14545192), (8, 9090745), (10, 7272596), (20, 3636298), (40, 1818149), (131, 555160), (262, 277580), (524, 138790), (655, 111032), (1048, 69395), (1310, 55516), (2620, 27758), (5240, 13879)]